Answers

Add 45/84 and 30/18

1^st number: 45/84, 2^nd number: 1 12/18

45/84 + 30/18 is 185/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 18 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   45/84 = 45 × 3/84 × 3 = 135/252
3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
   30/18 = 30 × 14/18 × 14 = 420/252
4. Add the two like fractions:
   135/252 + 420/252 = 135 + 420/252 = 555/252
5. 555/252 simplified gives 185/84
6. So, 45/84 + 30/18 = 185/84
   In mixed form: 217/84

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